/* ===== 品牌日志 · 页面专属样式（作用域 .page-news） ===== */

.page-news {
  --news-tint: rgba(200, 255, 61, .06);
  --news-bar: rgba(199, 207, 203, .14);
  color: var(--mist);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* --- 首屏 --- */
.page-news .news-head {
  position: relative;
  padding: clamp(26px, 5vw, 54px) 0 clamp(24px, 4vw, 38px);
  border-bottom: 1px solid var(--line);
}
.page-news .news-head::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  width: clamp(64px, 14vw, 132px);
  height: 3px;
  background: var(--lime);
  transform: skewX(-24deg);
}
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--silver);
  margin-bottom: clamp(18px, 3vw, 28px);
}
.page-news .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-news .breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-news .news-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 18px;
}
.page-news .news-kicker-line {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--verdigris);
}
.page-news h1 {
  margin: 0 0 20px;
  font-size: clamp(29px, 5.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -.02em;
  max-width: 20ch;
  font-weight: 700;
}
.page-news .news-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--silver);
}

/* --- 主体两栏 --- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: clamp(28px, 4vw, 48px);
}

/* --- 章节目录 --- */
.page-news .news-toc {
  order: -1;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.page-news .toc-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--verdigris);
}
.page-news .toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-news .toc::-webkit-scrollbar { display: none; }
.page-news .toc li { flex: 0 0 auto; }
.page-news .toc-link {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--silver);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--line);
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-news .toc-link:hover,
.page-news .toc-link.is-active {
  color: var(--lime);
  border-color: var(--lime);
}

/* --- 章节节奏 --- */
.page-news .news-section {
  padding-bottom: clamp(40px, 6vw, 64px);
  scroll-margin-top: 132px;
}
.page-news .news-section + .news-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(36px, 5vw, 56px);
}
.page-news .section-head { margin-bottom: clamp(22px, 3vw, 32px); }
.page-news .eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--lime);
}
.page-news h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.3vw, 36px);
  line-height: 1.2;
  letter-spacing: -.012em;
  font-weight: 700;
  max-width: 26ch;
}
.page-news .news-sub {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--silver);
}

/* --- 图片容器 --- */
.page-news .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--moss);
}
.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-cover { margin-bottom: clamp(22px, 3vw, 30px); }
.page-news .news-cover img { aspect-ratio: 2 / 1; }
.page-news .news-version-figure { margin-bottom: clamp(22px, 3vw, 30px); }
.page-news .news-version-figure img { aspect-ratio: 3 / 2; }
.page-news .news-metric-figure { margin: 0; }
.page-news .news-metric-figure img { aspect-ratio: 4 / 3; }
.page-news .news-feedback-figure { margin: 0 0 clamp(22px, 3vw, 30px); }
.page-news .news-feedback-figure img { aspect-ratio: 12 / 7; }
.page-news .media-cap {
  display: block;
  padding: 8px 12px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--verdigris);
  border-top: 1px solid var(--line);
}

/* --- 常设专题带 --- */
.page-news .theme-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.page-news .theme-card {
  position: relative;
  padding: 26px 56px 26px 20px;
  background: var(--moss);
  border-bottom: 1px solid var(--line);
  transition: background-color .24s var(--ease);
}
.page-news .theme-card:last-child { border-bottom: 0; }
.page-news .theme-card:hover { background: var(--moss-2); }
.page-news .theme-index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
}
.page-news .theme-note {
  position: absolute;
  top: 24px;
  right: 14px;
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--verdigris);
}
.page-news .theme-name {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -.01em;
}
.page-news .theme-desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}
.page-news .theme-latest {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  font-size: 13.5px;
  color: var(--mist);
}

/* --- 条目流 --- */
.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .entry { border-bottom: 1px solid var(--line); }
.page-news .entry > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 6px 18px 0;
  cursor: pointer;
  list-style: none;
}
.page-news .entry > summary::-webkit-details-marker { display: none; }
.page-news .entry > summary::marker { content: ""; }
.page-news .entry-title {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--mist);
  transition: color .2s var(--ease);
}
.page-news .entry > summary:hover .entry-title,
.page-news .entry[open] .entry-title { color: var(--lime); }
.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--verdigris);
}
.page-news .entry-body {
  padding: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}
.page-news .entry-body p {
  margin: 0 0 10px;
  max-width: 68ch;
}
.page-news .entry-body p:last-child { margin-bottom: 0; }
.page-news .entry-body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .38);
  transition: border-color .2s var(--ease);
}
.page-news .entry-body a:hover { border-bottom-color: var(--lime); }

/* --- 版本迭代 --- */
.page-news .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .version-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0 18px 16px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
}
.page-news .version-row.is-current {
  border-left-color: var(--lime);
  background: var(--news-tint);
}
.page-news .version-no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--lime);
}
.page-news .version-change {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 62ch;
}
.page-news .version-scope {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--verdigris);
}

/* --- 指标拆解 --- */
.page-news .metric-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-news .metric-panel { min-width: 0; }
.page-news .metric-bars {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-news .metric-bars li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) 52px;
  gap: 12px;
  align-items: center;
}
.page-news .metric-label {
  font-size: 13px;
  color: var(--silver);
}
.page-news .meter {
  display: block;
  height: 8px;
  background: var(--news-bar);
  overflow: hidden;
}
.page-news .meter-fill {
  display: block;
  height: 100%;
  width: var(--fill, 0%);
  background: var(--lime);
  transition: width .38s var(--ease);
}
.page-news .metric-bars li:nth-child(3) .meter-fill { background: var(--orange); }
.page-news .metric-bars li:nth-child(4) .meter-fill { background: var(--mist); }
.page-news .metric-value {
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: right;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}
.page-news .reading-steps {
  list-style: none;
  counter-reset: rs;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-news .reading-steps li {
  position: relative;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}
.page-news .reading-steps li::before {
  counter-increment: rs;
  content: "0" counter(rs);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  border: 1px solid var(--line-strong);
}
.page-news .metric-note {
  margin: 0;
  padding: 14px 16px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
  background: var(--moss);
  border-left: 3px solid var(--orange);
}

/* --- 反馈流程 --- */
.page-news .flow-list {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-news .flow-item {
  padding: 20px 18px;
  background: var(--moss);
}
.page-news .flow-no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
}
.page-news .flow-title {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: -.005em;
}
.page-news .flow-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

/* --- 尾部引导 --- */
.page-news .news-cta {
  padding: 26px 22px;
  background: var(--brown);
  border-top: 3px solid var(--lime);
}
.page-news .news-cta h3 {
  margin: 0 0 10px;
  font-size: 20px;
  letter-spacing: -.01em;
}
.page-news .news-cta p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
}
.page-news .news-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* --- 平板 --- */
@media (min-width: 640px) {
  .page-news .entry > summary {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 16px;
    padding: 20px 6px 20px 0;
  }
  .page-news .entry-time { text-align: right; }
  .page-news .flow-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-news .theme-card { padding: 30px 60px 30px 24px; }
  .page-news .version-row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 6px 24px;
    padding: 20px 0 20px 18px;
  }
  .page-news .version-scope { grid-column: 2; }
}

@media (min-width: 760px) {
  .page-news .theme-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .theme-card {
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }
  .page-news .theme-card:first-child { border-left: 0; }
  .page-news .flow-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-news .version-row {
    grid-template-columns: 108px minmax(0, 1fr) 150px;
    align-items: start;
  }
  .page-news .version-scope { grid-column: 3; text-align: right; }
}

/* --- 桌面：右栏章节目录 + 图文并置 --- */
@media (min-width: 1040px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 1fr) 204px;
    gap: 68px;
    align-items: start;
  }
  .page-news .news-toc {
    order: 0;
    position: sticky;
    top: 136px;
    align-self: start;
    border-bottom: 0;
    padding-bottom: 0;
    border-left: 1px solid var(--line);
    padding-left: 0;
  }
  .page-news .toc-title { padding-left: 14px; }
  .page-news .toc {
    display: block;
    overflow: visible;
  }
  .page-news .toc li { margin-bottom: 2px; }
  .page-news .toc-link {
    border: 0;
    border-left: 2px solid var(--line);
    padding: 8px 10px 8px 14px;
    white-space: normal;
    line-height: 1.5;
  }
  .page-news .toc-link:hover,
  .page-news .toc-link.is-active {
    border-left-color: var(--lime);
    background: var(--news-tint);
  }
  .page-news .metric-layout {
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
  .page-news .news-head h1 { max-width: 22ch; }
}

@media (min-width: 1240px) {
  .page-news .news-body { grid-template-columns: minmax(0, 1fr) 216px; }
  .page-news .metric-layout { grid-template-columns: 400px minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .meter-fill,
  .page-news .entry-title,
  .page-news .toc-link { transition: none; }
}

.page-news {
  --fill: currentColor;
}